If you don't have one, probably you need one. This is a short-sleeved, regular-fit t-shirt with a screen-printed logo. Patagonia is the holy grail, started-it-all Sustainability Guru. In the '90s they were the first outdoor clothing brand to manufacture fabric from recycled plastic bottles. Since then, they've pioneered some of the most innovative eco materials and sustainable production methods in the world. Bow down.